PUMP COMPRISING A DAMPING ARRANGEMENT ASSOCIATED WITH A VALVE

WIPO Patent Application WO/2011/116752

A3

The invention relates to a pump for pumping a fluid, comprising an inlet, an outlet, and a pumping chamber, wherein a valve (17) is arranged between the inlet and the pumping chamber or between the pumping chamber and the outlet, wherein the valve (17) comprises a valve body (30), which has a valve seat (32) pointing in the direction of the outlet, and a valve element (31a) that interacts with the valve seat (32), wherein the valve element (31a) is loaded under pre-loading against the valve seat (32) into a closed position of the valve (17) and allows fluid to pass through in the pumping direction due to the valve element (31a) lifting off against the pre-load, wherein the valve body (30) is accommodated in a receptacle (15c) of a pump part (15). A pump for which the development of noises and vibrations is reduced is created according to the invention in that during the operation of the pump the valve body (30) can move axially relative to the receptacle (15c) that accommodates the valve body.

MUELLER AXEL (DE)
OHLIGSCHLAEGER OLAF (DE)
QUAST STEFAN (DE)
FECKLER MICHAEL (DE)

PCT/DE2011/000284

March 01, 2012

March 18, 2011

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THOMAS MAGNETE GMBH (DE)
MUELLER AXEL (DE)
OHLIGSCHLAEGER OLAF (DE)
QUAST STEFAN (DE)
FECKLER MICHAEL (DE)

F04B17/04; F04B53/00; F04B53/10

WO1999035399A1	1999-07-15
WO2004109093A1	2004-12-16

US3380387A	1968-04-30
DE4035835A1	1992-05-14
DE102008013440A1	2009-09-17
DE4205290A1	1993-08-26
AU417351B2	1971-09-17

BONNEKAMP & SPARING et al. (Dusseldorf, DE)

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